Migrate Coolify to a new server

coolify-backup.sh

#!/bin/bash

# -- Shouldn't need to modify anything below --
backupSourceDir="/data/coolify/"
backupFileName="coolify_backup.tar.gz"

# Check if the source directory exists
if [ ! -d "$backupSourceDir" ]; then
  echo "❌ Source directory $backupSourceDir does not exist"
  exit 1
fi
echo "✅ Source directory exists"

# Get the names of all Docker containers
containerNames=$(docker ps -a --format '{{.Names}}')

# Initialize an empty string to hold the volume paths
volumePaths=""

# Loop over the container names
for containerName in $containerNames; do
  # Get the volumes for the current container
  volumeNames=$(docker inspect --format '{{range .Mounts}}{{.Name}}{{end}}' "$containerName")

  # Loop over the volume names
  for volumeName in $volumeNames; do
    # Check if the volume name is not empty
    if [ -n "$volumeName" ]; then
      # Add the volume path to the volume paths string
      volumePaths+=" /var/lib/docker/volumes/$volumeName"
    fi
  done
done

# Calculate the total size of the volumes
# shellcheck disable=SC2086
totalSize=$(du -csh $volumePaths 2>/dev/null | grep total | awk '{print $1}')

# Print the total size of the volumes
echo "✅ Total size of volumes to migrate: $totalSize"

# Print size of backupSourceDir
backupSourceDirSize=$(du -csh $backupSourceDir 2>/dev/null | grep total | awk '{print $1}')
echo "✅ Size of the source directory: $backupSourceDirSize"

# Check if the backup file already exists
if [ ! -f "$backupFileName" ]; then
  echo "🚸 Backup file does not exist, creating"

  # Recommend stopping docker before creating the backup
  echo "🚸 It's recommended to stop all Docker containers before creating the backup
  Do you want to stop Docker? (y/n)"
  read -r answer
  if [ "$answer" != "${answer#[Yy]}" ]; then
    if ! systemctl stop docker; then
      echo "❌ Docker stop failed"
      exit 1
    fi
    echo "✅ Docker stopped"
  else
    echo "🚸 Docker not stopped, continuing with the backup"
  fi

  # shellcheck disable=SC2086
  if ! tar --exclude='*.sock' -Pczf $backupFileName -C / $backupSourceDir $HOME/.ssh/authorized_keys $volumePaths; then
    echo "❌ Backup file creation failed"
    exit 1
  fi
  echo "✅ Backup file created"
else
  echo "🚸 Backup file already exists, skipping creation"
fi

coolify-restore.sh

#!/bin/bash

backupFileName="coolify_backup.tar.gz"

# Check if Docker is a service
if systemctl is-active --quiet docker; then
  # Stop Docker if it's a service
  if ! systemctl stop docker; then
    echo '❌ Docker stop failed';
    exit 1;
  fi
  echo '✅ Docker stopped';
else
  echo 'ℹ️ Docker is not a service, skipping stop command';
fi
echo '🚸 Saving existing authorized keys...';
cp ~/.ssh/authorized_keys ~/.ssh/authorized_keys_backup;
echo '🚸 Extracting backup file...';
if ! tar -Pxzf $backupFileName -C /; then
  echo '❌ Backup file extraction failed';
  exit 1;
fi
echo '✅ Backup file extracted';
echo '🚸 Merging authorized keys...';
cat ~/.ssh/authorized_keys_backup ~/.ssh/authorized_keys | sort | uniq > ~/.ssh/authorized_keys_temp;
mv ~/.ssh/authorized_keys_temp ~/.ssh/authorized_keys;
chmod 600 ~/.ssh/authorized_keys;
echo '✅ Authorized keys merged';
if ! curl -fsSL https://cdn.coollabs.io/coolify/install.sh | bash; then
  echo '❌ Coolify installation failed';
  exit 1;
fi
echo '✅ Coolify installed';